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116 articles for “Transmission Line”
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Protection of UHV Substations and Transmission Lines against Lightning
Abstract: In combination with characteristics of the lightning performance of UHV power transmission lines and on analysing the experiences and lessons relating excessively high lightning trip-out rate on 1000 kV transmission lines in Japan. The minimization of ground wire shied angle along with distance of the gap with a proper length is an important step for shielding failure trip-out in China. So, we should pay attention to the shielding failure flashover …
Published in Trends in Electrical Engineering · Vol. 6, Issue 2, 2016 · pp. 41–49 Read article
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An Efficient Fault Detection and Localization System for Three-Phase Transmission Line using Arduino and Artificial Neural Networks
Abstract: This paper presents an efficient fault detection and localization system for a three-phase transmission line using Arduino and artificial neural networks. Theproposed system is designed to detect and localize faults in real-time, reducing the downtime and improving the reliability of the power system. The system consists of three main components: the fault detection unit, the fault classification unit, and the fault localization unit. The fault detection unit uses Arduino microcontroller …
Published in Recent Trends in Electronics Communication Systems · Vol. 9, Issue 3, 2022 · pp. 35–42 Read article
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The Impact of Faults in Three-phase Transmission Line and Their Detection Techniques: A Review
Abstract: A three three-phase AC transmission line serves to be a key player in the electric power system. Fault occurrence in the lines disturb the continuity of electricity supply and lead to power losses. Various faults like LG, LL, LLG, LLL, LLLG, symmetrical faults, etc. occur in the transmission lines and tend to reduce the system efficiency. During such abnormal conditions, faults are detected through manual and/or automated systems. In an …
Published in Trends in Electrical Engineering · Vol. 13, Issue 1, 2023 · pp. 33–38 Read article
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Analysis of Swastika (Mythological Symbol) Shaped Split-Ring Resonators and Complementary Split-Ring Resonators Coupled to Planar Microstrip Transmission Lines and Microstrip Patch Antenna
Abstract: AbstractHere in this paper, we have developed a new kind of metamaterial unit cell in the shape of a Hindu mythological symbol ‘Swastik’. Here we designed and analyzed the behavior of split ring resonators (SRRs), complementary split ring resonators (CSRRs) and microstrip transmission line. Here we also investigated the electromagnetic behavior of microstrip transmission line coupled with metamaterial unit cells. The proposed analysis is useful to design the compact microwave …
Published in Current Trends in Signal Processing · Vol. 8, Issue 1, 2018 · pp. 10–22 Read article
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Three Zone Distance Protection of Transmission Line Using MHO and Quadrilateral Characteristics
Abstract: To protect transmission line from faults 3-zone distance protection is widely used as it also provides backup protection. This study aims at simulating three-step protection using PSCAD software under different fault conditions in different zones. Also how relay malfunctions under presence of fault resistance. Finally, quadrilateral characteristic of relay is drawn which solves the problem of under-reach of relay due to fault resistance.Keywords: Distance protection, fault resistance, MHO characteristics, quadrilateral …
Published in Trends in Electrical Engineering · Vol. 9, Issue 1, 2019 · pp. 17–30 Read article
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Transmission Line Fault Detection System Using IoT
Abstract: This research work proposes a novel approach for fault detection in transmission lines using IoT (Internet of Things) technology. The proposed system consists of sensors deployed along the transmission lines to monitor the line parameters such as voltage, current, and temperature. These sensors capture data, which is then sent to a cloud-based platform. The system is designed to detect and locate faults such as line breakages, short circuits, and overloads …
Published in Trends in Electrical Engineering · Vol. 13, Issue 1, 2023 · pp. 21–32 Read article
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IoT Innovations in Power System Monitoring: Reviewing Transmission Line Multiple Fault Detection Systems
Abstract: In this review, it is possible to highlight a new project idea called Transmission Line Multiple Fault Detection System with Internet of Things (IoT). It is a IoT based research that helps in identifying multiple failures on transmission lines leading to fast and correct response. It consist of installing many senors of different types like temperature sensors, current sensors, and vibration sensors on the lines in order to carry out …
Published in Journal of Control & Instrumentation · Vol. 15, Issue 1, 2024 · pp. 20–28 Read article
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Behaviour of Three Legged 400 kV Double Circuit Steel Transmission Line Tower by Using Different Diaphragm Comparative Study
Abstract: Power is a vital solution for the growth of any country’s economy. India has the third largest producer of power in the world. As per the Census and Economic Information report, India has 1,06,991 GWh power capacity up to Mar. 2019. So, optimizations of transmission line towers are vital to reduce the cost the power sector and it’s depending on various factors, i.e. materials, size and shape of the section, …
Published in Journal of Structural Engineering and Management · Vol. 6, Issue 3, 2019 · pp. 20–31 Read article
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Optimum Setting of Distance Protection Scheme for HV Transmission Line
Abstract: Protective relays in a power system are used to detect system abnormalities and to execute appropriate commands to isolate swiftly only the faulty component from healthy system. One of the protective relay is the distance relay. When the fault occurs it is seen that large amount of current flows through the network. The distance relay detect the over current by measuring the impedance of the transmission line and send the …
Published in Journal of Power Electronics and Power Systems · Vol. 3, Issue 2, 2013 · pp. 23–36 Read article
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Frequency Characteristics and Transient Response of Transmission Lines with Longitudinally Varying Ambient Temperature
Abstract: This paper addresses the steady state, the frequency characteristics and the transient response ofpower lines in the presence of longitudinally varying ambient temperature. This variation willlead to location-dependent line circuit parameters and to a changing equivalent circuit. Thederived models, which are based on the exact long line theory, can incorporate the impact of thedifferent patterns of the temperature distribution in terms of location and magnitude. Severalcase studies of the resulting …
Published in Journal of Power Electronics and Power Systems · Vol. 9, Issue 3, 2019 · pp. 19–30 Read article
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Damage Assessment and Strengthening of Transmission Line Tower at Component Level
Abstract: The damage assessment and strengthening of transmission tower is an important factor to be considered for life enhancement. The transmission towerdeteriorate due to corrosion and ageing. In this paper, analytical and experimental investigation is carried out at component level on cantilever beam made of square hollow and angle section. The damage is inflicted by reducing the stiffness of the beam. The damage is assessed based on frequency response measurements. The …
Published in Journal of Structural Engineering and Management · Vol. 3, Issue 3, 2016 · pp. 9–15 Read article
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Compact Dual Band Rat Race Coupler Using T-shaped Transmission Line and Fractal Geometry
Abstract: In this paper, a compact dual band rat race coupler is proposed at two different frequency bands. The dual band property is accomplished by transforming the length and impedance of conventional quarter wave transmission line into dual band T-shaped sections. To achieve the compactness, the dual band rat race coupler was transformed into fractal structure using Sierpinski curve analogy. Simple design equations are used for basic design geometries. Then the …
Published in Journal of Microwave Engineering and Technologies · Vol. 4, Issue 2, 2017 · pp. 6–12 Read article
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Analysis of LC Oscillation Presence and Its Impacts in 765 kv Line Connected With Non-Switchable Shunt Reactor
Abstract: AbstractThe transmission lines are one of the most important parts of the power system. The number of line faults in transmission line is more compared with the total number of faults in the whole power system. Distance protection is commonly used in long transmission lines. It works on the basis of increase or decreases in predetermined value of circuit admittance, impedance, or reactance. Shunt reactors are connected in high voltage …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 1, 2016 · pp. 20–24 Read article
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A Review Study on Analysis & Design of Electrical Transmission Towers
Abstract: Due to the increasing demand of electrical energy, the analysis & design of transmission line towers is very important. Out of total cost of transmission lines the transmission line towers constitute about 28 to 42 percent. This research paper presents an overview of research work done regarding the analysis & design of transmission line towers. Study focuses on types, member section types, geometry, capacity, base condition, important parameters of analysis …
Published in Journal of Structural Engineering and Management · Vol. 6, Issue 1, 2019 · pp. 1–7 Read article
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Direct Determination of the Frequency-Dependent Transmission Constants of Non-Uniform Two-Port Networks
Abstract: Due to space constraints and the expansion of electricity networks, transmission lines that cross close to one another are now commonplace. Power networks also commonly install higher operational voltage lines that share transmission corridors with lower voltage lines. Overhead transmission lines are the primary method for transmitting electrical energy across vast distances. This paper presents an efficient and direct technique for identifying the four frequency-dependent ABCD transmission constants of arbitrary …
Published in Journal of Power Electronics and Power Systems · Vol. 14, Issue 3, 2024 · pp. 1–8 Read article
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Review and Implementation of Superconducting Technology in Power System for Reduction of Transmission and Distribution Line Losses
Abstract: Superconducting technology has wide applications in superconducting generator, superconducting transmission lines and superconducting energy storage systems. Most of the studies undertaken conclude that although the application of superconducting material in power system did indeed lead to improved efficiencies, the capital cost and cooling energy requirement were too large and that it was not economically feasible to implement. But the major result in the following studies is that in the future, …
Published in Journal of Semiconductor Devices and Circuits · Vol. 12, Issue 1, 2025 · pp. 26–36 Read article
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Improvement of Power Quality & Voltage Profile Through the Optimal Placement of Artificial Intelligence based UPFC Controller
Abstract: Amidst the array of FACTS controllers, the Unified Power Flow Controller (UPFC) stands out as a distinguished member, renowned for its array of beneficial features. Recognized as among the most advanced FACTS devices, the UPFC excels in facilitating simultaneous control overactive and reactive power flow as well as voltage magnitude. FACTS devices are instrumental in managing power flow, enhancing transmission capacity, and optimizing power system stability. Increasing the capacity of …
Published in Journal of Instrumentation Technology & Innovations · Vol. 13, Issue 3, 2023 · pp. 18–26 Read article
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Comparison between Overhead and Underground Line
Abstract: We will discuss about overhead line and underground line ,merits and demerit. Why we use the underground line on the place of overhead line , In the congested area underground line is best and how can install it very easily , we will describe on the overhead line and that’s type which pole and conductor is best for the electricity supply and also we take the knowledge about underground line …
Published in Journal of Microcontroller Engineering and Applications · Vol. 8, Issue 1, 2021 · pp. 1–5 Read article
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Efficient Fault Detection in Power Transmission: A Review of Three-Phase Line Fault Detection with Hybrid Energy using MATLAB
Abstract: In urban regions, the density of power demand has significantly increased recently. Large-scale subterranean power cable installations are beginning to take the place of overhead transmission lines everywhere in the world because of environmental concerns in highly populated areas. The present project's primary objective is to use MATLAB to create a simulation model that includes 3ph symmetrical and unsymmetrical defects. Some have proven to be effective in detecting errors while …
Published in International Journal of Electrical Power and Machine Systems · Vol. 1, Issue 1, 2023 · pp. 42–47 Read article
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Empirical Method of Designing a Coaxial Line
Abstract: AbstractThis paper is meant to give a concise and correct method to design a coaxial cable using standard design formula. Simulation is done using empirical methods designing of coaxial transmission line. The coax is designed with a cut-off frequency of 1 GHz in TEM mode. The characteristic impedance of the coax is 50Ω. The aim here is to help the reader design a correct coaxial cable at the port of …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 8, Issue 3, 2020 · pp. 33–36 Read article